Title:
FIREPROOF BOARD AND FIREPROOF STRUCTURE USING THE SAME
Document Type and Number:
Japanese Patent JP2019163612
Kind Code:
A
Abstract:
To provide a fireproof board which has sufficient fire resistance and flame retardancy for use in building materials such as walls, ceilings and fittings of a fire-resistant wooden building, and which can be supplied at a relatively low cost, and a fireproof structure using the same.SOLUTION: A laminate material having a thickness of 20 mm or less obtained by laminating a nonflammable wood plate 2 obtained by chemical treatment and a flame retardant function material 3 in the form of a flat plate is a fireproof board 1 characterized by being a quasi-incombustible material and an incombustible material in accordance with the standards approved by the Ministry of Land, Infrastructure, Transport and Tourism. The nonflammable wood plate 2 has a thickness in the range of 3 to 15 mm, and is made of a quasi-incombustible material and an incombustible material in accordance with the standards approved by the Ministry of Land, Infrastructure, Transport and Tourism, and the flame retardant function material 3 has a limit oxygen index of 25 or more in a range of 0.5 mm in thickness.SELECTED DRAWING: Figure 1
Inventors:
SAKAWA MASAKI
Application Number:
JP2018051377A
Publication Date:
September 26, 2019
Filing Date:
March 19, 2018
Export Citation:
Assignee:
SAKAWA KK
International Classes:
E04B1/94; B27D1/04; B27M3/00
Attorney, Agent or Firm:
Haruo Saito
Takahiro Saito
Takahiro Saito